The pump on my Kemore dishwasher model 665.17772990 recently locked up and would not drain.
I suspected a piece of plastic may have been sucked down betweem the wash impeller and the perforated plate
that I see on Sears' diagram for this machine.
I removed the pump outlet and confirmed this when I tried to remove the wash impeller. The impeller was stuck
and I freed it up when I tried to remove the Stainless screw holding the impeller in.
Put things back together and the washer works but is very loud. Plastic or something is probably there and/or
the chopper is bent.
My big problem is that I can not remove the screw holding the wash impeller. I'm afraid that I will twist it off in
the motor shaft. And then have to purchase the entire pump motor unit or a new dishwasher just be cause of
one screw.
Any hints on how to remove the wash impeller screw without damaging it or the impeller?
A service man got to the same point and suggested I live with the loud noise. My concern is that there is a large
piece of plastic that will lock the motor or wear the impellers down to a point that they will not work.

I would break the impeller, using a chisel and then remove this screw. Most likely the problem is a bend chopper spring. It is pretty common for this kind of pump. You have to order the drain & wash impeller kit to fox it. This kit comes with the complete installation instructions.

I would break the impeller, using a chisel and then remove this screw. Most likely the problem is a bend chopper spring. It is pretty common for this kind of pump. You have to order the drain & wash impeller kit to fox it. This kit comes with the complete installation instructions.

Hi Gene: Sorry to be peppering you with questions. It seems like the solution to removing the screw that holds the impeller in place is to break the old impeller. But then how does that help? You still have to loosen the screw don't you??

Thanks Gene - I guess I was hoping to dismantle the pump to see if something had got caught in there to save me the cost of buying the whole motor/pump assembly. Since the noise came on really suddenly, is it possible something has got wedged in there? Simon

There are a few different things possible. You said the noise is coming from the motor and it can be a bad motor bearings. Our advices based on your information. That's why I recommended to replace the whole assembly. This job is also much easier than replacing the motor or rebuilding the pump.

Understood. Would you expect bad bearings to make a rattling noise when you shake the motor? I have no idea if the whole thing has loose parts that would rattle around even if it was all copacetic, or if the rattling is worth me investigating.

Well, I broke the impeller in pieces, and in doing so, broke the lower bit of the impeller, too. I found a cherry pit, a piece of straw and a plastic clip in the pump. Could that make a "grinding" noise in your opinion? Not sure what to do next. Is it worth trying to reassemble this with new impeller parts? Or should I just suck it up and get a new pump and motor assembly? Appreciate any advice. S

The content on this web site is for informational purposes only and is not intended to replace an on-site diagnosis from a qualified appliance service technician. By reading any content on this site you agree to AppliancePartsPros.com , Inc. disclaimer and Terms of Use.